- engine fraction
- относительная масса силовой установки (сухая масса двигателя плюс 60% внутреннего запаса топлива, отнесённые к взлётной массе ЛА минус 40% внутреннего запаса топлива)
Англо-русский словарь промышленной и научной лексики. 2014.
engine fraction
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